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/* Copyright (C) 1997, 2001 Free Software Foundation, Inc.
This file is part of GNU Fortran libU77 library.
This library is free software; you can redistribute it and/or modify it
under the terms of the GNU Library General Public License as published
by the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
GNU Fortran is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with GNU Fortran; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#if HAVE_UNISTD_H
# include <unistd.h>
#endif
#include <errno.h> /* for ENOSYS */
#include "f2c.h"
#ifndef RETSIGTYPE
/* we shouldn't rely on this... */
#define RETSIGTYPE void
#endif
typedef RETSIGTYPE (*sig_type) ();
#include <signal.h>
typedef int (*sig_proc) (int);
#ifndef SIG_ERR
#define SIG_ERR ((sig_type) -1)
#endif
integer
G77_alarm_0 (integer * seconds, sig_proc proc)
{
int status;
#if defined (HAVE_ALARM) && defined (SIGALRM)
if (signal (SIGALRM, (sig_type) proc) == SIG_ERR)
status = -1;
else
status = alarm (*seconds);
#else /* ! HAVE_ALARM || ! SIGALRM */
errno = ENOSYS;
status = -1;
#endif
return status;
}
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